Lubricant and magnetic recording medium using the same

Details Lubricant and magnetic recording medium using the same Lubricant and magnetic recording medium using the same

1998-03-06

1999-12-07

Johnson, Jerry D.

Solid anti-friction devices, materials therefor, lubricant or se

Lubricants or separants for moving solid surfaces and...

Organic -co- compound

508485, 508496, 428 654, 428 658, 560192, 560223, C10M10538, C10M10536, C07C 6934

Patent

active

05998340&

ABSTRACT:
A lubricant containing a branched aliphatic diester of the general formula: R.sub.1 R.sub.2 R.sub.3 C--(CH.sub.2).sub.n --X--R--X'--(CH.sub.2).sub.n --CR.sub.4 R.sub.5 R.sub.6 in which R.sub.1 to R.sub.6 independently represent a hydrocarbon group having 1-18 carbon atoms; R is a fluorinated hydrocarbon group having 6 to 18 carbon atoms; either one of X and X' represent either one of --OCO-- and --COO--, while the other of X and X' represent the other of --OCO-- and --COO--; and n is an integer from 0 to 6, and optionally an aliphatic amine of the general formula: R.sub.7 NR.sub.8 R.sub.9 in which R.sub.7, R.sub.8 and R.sub.9 independently represent a hydrogen atom or a hydrocarbon group having 1 to 26 carbon atoms.

REFERENCES:
patent: 3223636 (1965-12-01), Metro et al.
patent: 3282840 (1966-11-01), Foster, Jr. et al.
patent: 3330762 (1967-07-01), Wendler et al.
patent: 3360547 (1967-12-01), Wilson et al.
patent: 4786427 (1988-11-01), Dare-Edwards
patent: 5227516 (1993-07-01), Tohzuka et al.
patent: 5286397 (1994-02-01), Schmid et al.
patent: 5700541 (1997-12-01), Okita et al.

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